Update src/streamlit_app.py

src/streamlit_app.py

@@ -141,7 +141,7 @@ if not cfg:
                 for k in ("setup_secret", "setup_label", "setup_pw"):
                     st.session_state.pop(k, None)
                 st.success("2FA setup complete. Loading login…")
-                st.experimental_rerun()  # 🔁 rerun so cfg loads and login form appears
+                st.rerun()  # 🔁 rerun so cfg loads and login form appears
             else:
                 st.error("Invalid code. Try a fresh code from your authenticator.")
     st.stop()